Instructables: exploring - technology - sensors - popular http://www.instructables.com Sat, 17 Feb 2018 19:21:52 PST BLOX v1.01 Tachometer made from a bicycle speedometer (cyclocomputer) http://www.instructables.com/id/Tachometer-made-from-a-bicycle-speedometer-cycloc/
Tachometer made from a bicycle speedometer (cyclocomputer) - More DIY How To Projects]]> https://cdn.instructables.com/FUK/C94L/FD80X4KP/FUKC94LFD80X4KP.SQUARE2.jpg https://cdn.instructables.com/FUK/C94L/FD80X4KP/FUKC94LFD80X4KP.SQUARE.jpg https://cdn.instructables.com/FUK/C94L/FD80X4KP/FUKC94LFD80X4KP.SMALL.jpg josie Sometimes you just have to know how fast a wheel or shaft or motor is turning. The measuring device for rotational speed is a tachometer. But they are expensive and not easy to find. Its cheap and easy to make one using a bicycle speedometer (cyclocomputer). In fact, the only thing you need is a ...
By: josie

Continue Reading »]]>
Wed, 5 Mar 2008 07:04:15 PST
Simple Mobile Data Logging using pfodApp, Android and Arduino http://www.instructables.com/id/Simple-Mobile-Data-Logging-using-pfodApp-Android-/
Simple Mobile Data Logging using pfodApp, Android and Arduino - More DIY How To Projects]]> https://cdn.instructables.com/FNQ/W7IR/HKITG62A/FNQW7IRHKITG62A.SQUARE2.jpg https://cdn.instructables.com/FNQ/W7IR/HKITG62A/FNQW7IRHKITG62A.SQUARE.jpg https://cdn.instructables.com/FNQ/W7IR/HKITG62A/FNQW7IRHKITG62A.SMALL.jpg drmpf Moblie Data Logging made Simple using pfodApp, your Andriod mobile and Arduino. NO Android Programming required. For Plotting Data on your Android see this later Instuctable Simple Remote Data Plotting using Android / Arduino / pfodApp Introduction This instructable shows you how to capture Ardu...
By: drmpf

Continue Reading »]]>
Tue, 20 Aug 2013 04:22:29 PDT
Low Cost Accurate 3D Positioning http://www.instructables.com/id/Low-Cost-Accurate-3D-Positioning/
Low Cost Accurate 3D Positioning - More DIY How To Projects]]> https://cdn.instructables.com/FZ5/8U7F/J8QGLQL0/FZ58U7FJ8QGLQL0.SQUARE2.jpg https://cdn.instructables.com/FZ5/8U7F/J8QGLQL0/FZ58U7FJ8QGLQL0.SQUARE.jpg https://cdn.instructables.com/FZ5/8U7F/J8QGLQL0/FZ58U7FJ8QGLQL0.SMALL.jpg Sumit_Aich (The above video demonstrates the water potentiometer technique used in this project and practically verifies the differential equations above.)Project SummaryA ridiculously low cost water-based 3D sensor for real-time tracking of precise coordinates of the tip of a stylus, in confined 3D space.Ext...
By: Sumit_Aich

Continue Reading »]]>
Sun, 15 Oct 2017 21:59:00 PDT
Low Cost Accurate 3D Positioning (Rev. 2) http://www.instructables.com/id/Low-Cost-Accurate-3D-Positioning-Rev-2/
Low Cost Accurate 3D Positioning (Rev. 2) - More DIY How To Projects]]> https://cdn.instructables.com/FJ8/XCVJ/JD0K7XDL/FJ8XCVJJD0K7XDL.SQUARE2.jpg https://cdn.instructables.com/FJ8/XCVJ/JD0K7XDL/FJ8XCVJJD0K7XDL.SQUARE.jpg https://cdn.instructables.com/FJ8/XCVJ/JD0K7XDL/FJ8XCVJJD0K7XDL.SMALL.jpg Sumit_Aich This project is the 2nd revision of my previous project Low Cost Accurate 3D Positioning, with significant improvements in tracking precision.Project SummaryA ridiculously low cost water-based 3D sensor for real-time tracking of precise coordinates of the tip of a stylus, in confined 3D space.Extern...
By: Sumit_Aich

Continue Reading »]]>
Wed, 24 Jan 2018 04:47:21 PST
DIY $0 Water Trackpad http://www.instructables.com/id/DIY-Water-Touchpad/
DIY $0 Water Trackpad - More DIY How To Projects]]> https://cdn.instructables.com/F5Q/CXVG/JCAUOIPZ/F5QCXVGJCAUOIPZ.SQUARE2.jpg https://cdn.instructables.com/F5Q/CXVG/JCAUOIPZ/F5QCXVGJCAUOIPZ.SQUARE.jpg https://cdn.instructables.com/F5Q/CXVG/JCAUOIPZ/F5QCXVGJCAUOIPZ.SMALL.jpg Sumit_Aich This is a fun Arduino project that everyone must try sometime in their life! Here's why - COST = $0 (excluding Arduino Uno) BUILD TIME = 5 minutes PRECISION = 10 microns (1/100000th of a meter) DIFFICULTY = noneProject Summary A ridiculously low ...
By: Sumit_Aich

Continue Reading »]]>
Sat, 13 Jan 2018 20:36:23 PST
Interface DHT11 (Humidity Sensor) Using NodeMCU http://www.instructables.com/id/Interface-DHT11-Humidity-Sensor-Using-NodeMCU/
Interface DHT11 (Humidity Sensor) Using NodeMCU - More DIY How To Projects]]> https://cdn.instructables.com/F4K/JHRF/J5IG2CCC/F4KJHRFJ5IG2CCC.SQUARE2.jpg https://cdn.instructables.com/F4K/JHRF/J5IG2CCC/F4KJHRFJ5IG2CCC.SQUARE.jpg https://cdn.instructables.com/F4K/JHRF/J5IG2CCC/F4KJHRFJ5IG2CCC.SMALL.jpg TheCircuit Hey Makers!In this Instructables you will learn how to set up the DHT11 Humidity and Temperature sensor on your NodeMCU. And learn about how the Humidity sensor works, and how to check output readings from the Serial monitor. Components Required Here is the list of components required to get star...
By: TheCircuit

Continue Reading »]]>
Tue, 25 Jul 2017 10:45:26 PDT
Goophene: Hypersensitive Graphene Sensors http://www.instructables.com/id/Goophene-Hypersensitive-Graphene-Sensors/
Goophene: Hypersensitive Graphene Sensors - More DIY How To Projects]]> https://cdn.instructables.com/F93/KF6V/JCKUM3HE/F93KF6VJCKUM3HE.SQUARE2.jpg https://cdn.instructables.com/F93/KF6V/JCKUM3HE/F93KF6VJCKUM3HE.SQUARE.jpg https://cdn.instructables.com/F93/KF6V/JCKUM3HE/F93KF6VJCKUM3HE.SMALL.jpg blorgggg This tutorial will show you how you can quickly make a DIY version of GPutty (Graphene Putty) which is a super pressure -sensitive polymer you can use as a robust sensor for a variety of projects and interfaces. This sensor is so multi-purpose and sensitive it could do things like monitor your breat...
By: blorgggg

Continue Reading »]]>
Sat, 20 Jan 2018 05:27:32 PST
DIY Arduino 3D IR Gesture Sensor http://www.instructables.com/id/Easy-to-Build-DIY-Arduino-3D-IR-Gesture-Sensor/
DIY Arduino 3D IR Gesture Sensor - More DIY How To Projects]]> https://cdn.instructables.com/FON/T0C9/INYTZH9G/FONT0C9INYTZH9G.SQUARE2.jpg https://cdn.instructables.com/FON/T0C9/INYTZH9G/FONT0C9INYTZH9G.SQUARE.jpg https://cdn.instructables.com/FON/T0C9/INYTZH9G/FONT0C9INYTZH9G.SMALL.jpg Nicolas Britos If you like this project please vote for it in the "Sensors Contest 2016" as it took me a lot of time to make it (pressing the top-right button that says "Vote").* Have you ever wanted to use hand-gestures to control the music, a robot or any other thing but you just didn't know how? Well, now you ...
By: Nicolas Britos

Continue Reading »]]>
Sun, 8 May 2016 11:32:43 PDT
Easy Air Quality Report With NodeMCU+MQ135+Cayenne http://www.instructables.com/id/Easy-Air-Quality-Report-With-NodeMCUMQ135Cayenne/
Easy Air Quality Report With NodeMCU+MQ135+Cayenne - More DIY How To Projects]]> https://cdn.instructables.com/F0R/3VK8/ITKLQ21D/F0R3VK8ITKLQ21D.SQUARE2.jpg https://cdn.instructables.com/F0R/3VK8/ITKLQ21D/F0R3VK8ITKLQ21D.SQUARE.jpg https://cdn.instructables.com/F0R/3VK8/ITKLQ21D/F0R3VK8ITKLQ21D.SMALL.jpg Kuncono This simple project is to monitoring the air quality with NodeMCU and MQ135 sensor.The ppm value displayed to Cayenne.With Cayenne we can add some trigger without code.This simple project is very easy to beginner (even I'm beginner too) and have real time air quality monitor over internet. Bill of...
By: Kuncono

Continue Reading »]]>
Fri, 30 Sep 2016 04:39:59 PDT
Simple Remote Data Plotting using Android / Arduino / pfodApp http://www.instructables.com/id/Simple-Remote-Data-Plotting-using-Android-Arduino-/
Simple Remote Data Plotting using Android / Arduino / pfodApp - More DIY How To Projects]]> https://cdn.instructables.com/FUF/KNAX/HPEG8FED/FUFKNAXHPEG8FED.SQUARE2.jpg https://cdn.instructables.com/FUF/KNAX/HPEG8FED/FUFKNAXHPEG8FED.SQUARE.jpg https://cdn.instructables.com/FUF/KNAX/HPEG8FED/FUFKNAXHPEG8FED.SMALL.jpg drmpf Simple Remote Data Plotting using Android / Arduino / pfodApp This Instructable shows you how to plot Arduino sensor data on your Android mobile and capture it for later downloading to your computer.  These instructions are also avaliable at www.pfod.com.au No Android programming is required and v...
By: drmpf

Continue Reading »]]>
Sun, 22 Dec 2013 18:00:17 PST
Smart Parking System http://www.instructables.com/id/Smart-Parking-System/
Smart Parking System - More DIY How To Projects]]> https://cdn.instructables.com/FDV/FODP/IWWFP2CK/FDVFODPIWWFP2CK.SQUARE2.jpg https://cdn.instructables.com/FDV/FODP/IWWFP2CK/FDVFODPIWWFP2CK.SQUARE.jpg https://cdn.instructables.com/FDV/FODP/IWWFP2CK/FDVFODPIWWFP2CK.SMALL.jpg mafiha Finding a free parking lot in a congested city like Dhaka is very hard. Here, if anyone wants to go outside from home with personal car first thing comes in his mind is about parking, where he will park his car. Most of the cases, people go to a parking station and find that all parking slot are ful...
By: mafiha

Continue Reading »]]>
Tue, 20 Dec 2016 23:27:54 PST
Flowmeter NodeMcu Counting Litres http://www.instructables.com/id/Flowmeter-NodeMcu-Counting-Litres/
Flowmeter NodeMcu Counting Litres - More DIY How To Projects]]> https://cdn.instructables.com/FEY/AUAK/IPK96VZW/FEYAUAKIPK96VZW.SQUARE2.jpg https://cdn.instructables.com/FEY/AUAK/IPK96VZW/FEYAUAKIPK96VZW.SQUARE.jpg https://cdn.instructables.com/FEY/AUAK/IPK96VZW/FEYAUAKIPK96VZW.SMALL.jpg mseromenho This work aims to build an Internet based system that enables the remote monitoring of a water/flow meters.Motivation: In a house or building it is very important to regularly analyze the consumption of water and thus take action, avoiding unnecessary costs. The possibility of track/control multiple...
By: mseromenho

Continue Reading »]]>
Sat, 18 Jun 2016 06:17:06 PDT
A bidirectional logic level converter (for I2C) http://www.instructables.com/id/A-bidirectional-logic-level-converter-for-I2C/
A bidirectional logic level converter (for I2C) - More DIY How To Projects]]> https://cdn.instructables.com/F05/KXSE/GGBZPCHE/F05KXSEGGBZPCHE.SQUARE2.jpg https://cdn.instructables.com/F05/KXSE/GGBZPCHE/F05KXSEGGBZPCHE.SQUARE.jpg https://cdn.instructables.com/F05/KXSE/GGBZPCHE/F05KXSEGGBZPCHE.SMALL.jpg janw When working with sensors and microcontroller or arduino's, you'll need a level converter as a lot of sensors are designed for 3,3V and most microcontrollers will be 5V. I know that they can be bought cheaply at sparkfun and others but when you only want to buy one converter you might pay more fo...
By: janw

Continue Reading »]]>
Sat, 13 Nov 2010 10:54:33 PST
Laser Beam Alarm System http://www.instructables.com/id/Laser-Beam-Alarm-System-1/
Laser Beam Alarm System - More DIY How To Projects]]> https://cdn.instructables.com/FJI/HQ1Q/H1Y0BO5A/FJIHQ1QH1Y0BO5A.SQUARE2.jpg https://cdn.instructables.com/FJI/HQ1Q/H1Y0BO5A/FJIHQ1QH1Y0BO5A.SQUARE.jpg https://cdn.instructables.com/FJI/HQ1Q/H1Y0BO5A/FJIHQ1QH1Y0BO5A.SMALL.jpg norbizzle12 Do you need a portable alarm system? Something cheap but very effective? Then this covert laser alarm system is the one for you. I have seen a few laser alarm instructables, but they all only trigger the alarm while the beam is broken. This alarm is set up to use any regular laser pointer and the re...
By: norbizzle12

Continue Reading »]]>
Thu, 24 May 2012 23:18:13 PDT
Low Cost Radar Speed Sign http://www.instructables.com/id/Low-Cost-Radar-Speed-Sign/
Low Cost Radar Speed Sign - More DIY How To Projects]]> https://cdn.instructables.com/F8K/9Y7N/J9EH96A5/F8K9Y7NJ9EH96A5.SQUARE2.jpg https://cdn.instructables.com/F8K/9Y7N/J9EH96A5/F8K9Y7NJ9EH96A5.SQUARE.jpg https://cdn.instructables.com/F8K/9Y7N/J9EH96A5/F8K9Y7NJ9EH96A5.SMALL.jpg duncancurry Have you ever wanted to build your own low-cost radar speed sign? I live on a street where cars drive too fast, and I worry about the safety of my kids. I thought it would be much safer if I could install a radar speed sign of my own that displays the speed so I can get drivers to slow down. I lo...
By: duncancurry

Continue Reading »]]>
Wed, 1 Nov 2017 16:55:59 PDT
LDR Sensor Module Interface with Arduino http://www.instructables.com/id/LDR-Sensor-Module-Users-Manual-V10/
LDR Sensor Module Interface with Arduino - More DIY How To Projects]]> https://cdn.instructables.com/FAX/YFHH/IPTJLE0L/FAXYFHHIPTJLE0L.SQUARE2.jpg https://cdn.instructables.com/FAX/YFHH/IPTJLE0L/FAXYFHHIPTJLE0L.SQUARE.jpg https://cdn.instructables.com/FAX/YFHH/IPTJLE0L/FAXYFHHIPTJLE0L.SMALL.jpg mybotic This tutorial teaches the basics on using LDR Sensor Module. Introduction LDR sensor module is used to detect the intensity of light. It is associated with both analog output pin and digital output pin labelled as AO and DO respectively on the board. When there is light, the resistance of LDR wi...
By: mybotic

Continue Reading »]]>
Mon, 27 Jun 2016 06:12:02 PDT
Temperature Control For Freezer or Refrigerator http://www.instructables.com/id/Temperature-Controlled-Freezer/
Temperature Control For Freezer or Refrigerator - More DIY How To Projects]]> https://cdn.instructables.com/F0Y/COB5/FCEILQEZ/F0YCOB5FCEILQEZ.SQUARE2.jpg https://cdn.instructables.com/F0Y/COB5/FCEILQEZ/F0YCOB5FCEILQEZ.SQUARE.jpg https://cdn.instructables.com/F0Y/COB5/FCEILQEZ/F0YCOB5FCEILQEZ.SMALL.jpg ClemsonStuart721 This instructable covers the integration of a Johnson Controls temperature control into an extension cord with switch and electrical outlet for controlling a freezer. For fermenting beer, a chest freezer is a fantastic platform but the factory controls are far too cold. This controller project eff...
By: ClemsonStuart721

Continue Reading »]]>
Mon, 11 Feb 2008 19:32:49 PST
360 LIDAR Module http://www.instructables.com/id/360-LIDAR-Module/
360 LIDAR Module - More DIY How To Projects]]> https://cdn.instructables.com/FQT/TVPV/IOOXKN36/FQTTVPVIOOXKN36.SQUARE2.jpg https://cdn.instructables.com/FQT/TVPV/IOOXKN36/FQTTVPVIOOXKN36.SQUARE.jpg https://cdn.instructables.com/FQT/TVPV/IOOXKN36/FQTTVPVIOOXKN36.SMALL.jpg DomV811 This instructables is to show people how to easily convert a one directional Lidar sensor such as the Lidar Lite v to a 360 degree Lidar. The reason why I want to make my a 360 Lidar is to get into Simultaneous localization and mapping(SLAM). SLAM , in essence , a navigation technique use mostly by...
By: DomV811

Continue Reading »]]>
Fri, 27 May 2016 03:15:02 PDT
Mouse Trap Speed! http://www.instructables.com/id/Mouse-Trap-Speed/
Mouse Trap Speed! - More DIY How To Projects]]> https://cdn.instructables.com/F11/RBAB/GRN96K0F/F11RBABGRN96K0F.SQUARE2.jpg https://cdn.instructables.com/F11/RBAB/GRN96K0F/F11RBABGRN96K0F.SQUARE.jpg https://cdn.instructables.com/F11/RBAB/GRN96K0F/F11RBABGRN96K0F.SMALL.jpg LargeMouthBass I had been wondering for some time just how fast a mouse trap takes to slam shut once it has been tripped. What follows is a description of a simple way to measure the closing speed, along with the results I obtained. The trap I used was a classic Victor brand mouse trap. This is the kind that us...
By: LargeMouthBass

Continue Reading »]]>
Tue, 23 Aug 2011 10:25:51 PDT
DIY Motion Sensing Ceiling Fan/light ***5$ Energy Saver!!!*** http://www.instructables.com/id/DIY-Motion-Sensing-Ceiling-Fanlight-5-Energy-/
DIY Motion Sensing Ceiling Fan/light ***5$ Energy Saver!!!*** - More DIY How To Projects]]> https://cdn.instructables.com/FOQ/HADZ/HIYWMPYZ/FOQHADZHIYWMPYZ.SQUARE2.jpg https://cdn.instructables.com/FOQ/HADZ/HIYWMPYZ/FOQHADZHIYWMPYZ.SQUARE.jpg https://cdn.instructables.com/FOQ/HADZ/HIYWMPYZ/FOQHADZHIYWMPYZ.SMALL.jpg HavocRC Now when I walk into my room (or my cat :) my lights automatically pop on for me! In this project I'm going to show you how to for under $5 hook up a motion sensor to you ceiling fixture! This is what happens. When the motion sensor senses motion it sends a HIGH signal to microcontroller. The microc...
By: HavocRC

Continue Reading »]]>
Sun, 14 Jul 2013 21:16:34 PDT
MPU-9150/9250 IMU with Arduino Pro-Micro http://www.instructables.com/id/MPU-91509250-IMU/
MPU-9150/9250 IMU with Arduino Pro-Micro - More DIY How To Projects]]> https://cdn.instructables.com/FP7/LHMA/IKWXLT1D/FP7LHMAIKWXLT1D.SQUARE2.jpg https://cdn.instructables.com/FP7/LHMA/IKWXLT1D/FP7LHMAIKWXLT1D.SQUARE.jpg https://cdn.instructables.com/FP7/LHMA/IKWXLT1D/FP7LHMAIKWXLT1D.SMALL.jpg BorisK4 Did you buy a 10-DOF sensor from aliexpress or ebay and experience problems getting it running? I downloaded Jeff Rowberg library and the output always freezed after a while. I decided to debug the code, because the sensor MPU-9150 seemed promising, but didn't run well.The sensor includes 10 sensors...
By: BorisK4

Continue Reading »]]>
Mon, 22 Feb 2016 10:56:44 PST
DIY Breath Sensor With Arduino (Conductive Knitted Stretch Sensor) http://www.instructables.com/id/DIY-Breath-Sensor-with-Arduino-Conductive-Knitted-/
DIY Breath Sensor With Arduino (Conductive Knitted Stretch Sensor) - More DIY How To Projects]]> https://cdn.instructables.com/F0M/AQDK/IAI1QG6U/F0MAQDKIAI1QG6U.SQUARE2.jpg https://cdn.instructables.com/F0M/AQDK/IAI1QG6U/F0MAQDKIAI1QG6U.SQUARE.jpg https://cdn.instructables.com/F0M/AQDK/IAI1QG6U/F0MAQDKIAI1QG6U.SMALL.jpg i.saralynn This DIY sensor will take the form of a conductive knitted stretch sensor. It will wrap around your chest/stomach, and when your chest/stomach expands and contracts so will the sensor, and consequently the input data that is fed to the Arduino. So keep in mind this isn't a totally accurate way to ...
By: i.saralynn

Continue Reading »]]>
Thu, 4 Jun 2015 08:44:30 PDT
simple wired 2 motor control joystick http://www.instructables.com/id/2-motor-control-joystick/
simple wired 2 motor control joystick - More DIY How To Projects]]> https://cdn.instructables.com/FTZ/DGLI/FIY4LHK3/FTZDGLIFIY4LHK3.SQUARE2.jpg https://cdn.instructables.com/FTZ/DGLI/FIY4LHK3/FTZDGLIFIY4LHK3.SQUARE.jpg https://cdn.instructables.com/FTZ/DGLI/FIY4LHK3/FTZDGLIFIY4LHK3.SMALL.jpg little_spiro i wanted for a long time to have a control joystick(control box), wich can easy change the directions of 2 motors. so i made one. it's not hard to build and works perfect. the costs vary between 2 and 4 euro. feel free to change/improve the project using creativity and better parts. share your exper...
By: little_spiro

Continue Reading »]]>
Wed, 23 Jul 2008 12:47:02 PDT
MORNING FLUTE (Morgenflöte) http://www.instructables.com/id/MORNING-FLUTE-Morgenflöte/
MORNING FLUTE (Morgenflöte) - More DIY How To Projects]]> https://cdn.instructables.com/FCV/X5NA/IOPZDKN6/FCVX5NAIOPZDKN6.SQUARE2.jpg https://cdn.instructables.com/FCV/X5NA/IOPZDKN6/FCVX5NAIOPZDKN6.SQUARE.jpg https://cdn.instructables.com/FCV/X5NA/IOPZDKN6/FCVX5NAIOPZDKN6.SMALL.jpg pratchel The "morning flute/ morgenflöte" is a light depended instrument, which is best played in the morning. It uses photocells, LDRs(light depended resistors) implemented in the cardboard tube attached to 555 timers on the breadboard.There is already a lot of light depended instruments prob. all based on ...
By: pratchel

Continue Reading »]]>
Sat, 28 May 2016 07:05:23 PDT
Environment Air Quality Monitor http://www.instructables.com/id/Environmental-Monitor/
Environment Air Quality Monitor - More DIY How To Projects]]> https://cdn.instructables.com/FWO/DA8C/IIEWPP1Y/FWODA8CIIEWPP1Y.SQUARE2.jpg https://cdn.instructables.com/FWO/DA8C/IIEWPP1Y/FWODA8CIIEWPP1Y.SQUARE.jpg https://cdn.instructables.com/FWO/DA8C/IIEWPP1Y/FWODA8CIIEWPP1Y.SMALL.jpg rjkorn I wanted to build an environmental monitor. Partly to see what happens from day to day and also because I wanted to compare all the different MQ Sensors and see how they respond to different things. Using a Linkit one allowed me to add GPS logging to make this a mobile platform. External Antennas ...
By: rjkorn

Continue Reading »]]>
Mon, 21 Dec 2015 04:30:51 PST
Vertical garden & weather powered by Intel Edison http://www.instructables.com/id/Vertical-garden-weather-powered-by-Intel-Edison/
Vertical garden & weather powered by Intel Edison - More DIY How To Projects]]> https://cdn.instructables.com/FKI/0SOI/IEY3FVJB/FKI0SOIIEY3FVJB.SQUARE2.jpg https://cdn.instructables.com/FKI/0SOI/IEY3FVJB/FKI0SOIIEY3FVJB.SQUARE.jpg https://cdn.instructables.com/FKI/0SOI/IEY3FVJB/FKI0SOIIEY3FVJB.SMALL.jpg veronafablab BioEdison is a smart vertical garden based on the new Intel Edison that allows a simple, automated management of any type of vegetable or plant. Advantages of BioEdison control device than a traditional vegetable garden are the efficient use...
By: veronafablab

Continue Reading »]]>
Fri, 25 Sep 2015 13:45:00 PDT
Turn your Fingerprint Sensor into Biometric Toggle Switch http://www.instructables.com/id/Biometric-LED/
Turn your Fingerprint Sensor into Biometric Toggle Switch - More DIY How To Projects]]> https://cdn.instructables.com/F5C/D9MV/I3H4ZWB0/F5CD9MVI3H4ZWB0.SQUARE2.jpg https://cdn.instructables.com/F5C/D9MV/I3H4ZWB0/F5CD9MVI3H4ZWB0.SQUARE.jpg https://cdn.instructables.com/F5C/D9MV/I3H4ZWB0/F5CD9MVI3H4ZWB0.SMALL.jpg pelegren After I've made my first fingerprint sensor project to read my fingers and recognized me, I became obsessed with biometric system and was curious if i could use fingerprint to turn on and off a device. It was possible to open a lock of the door using fingerprint, but, what about closing or locking ...
By: pelegren

Continue Reading »]]>
Fri, 12 Dec 2014 03:53:30 PST
how to make a reed switch http://www.instructables.com/id/how-to-make-a-magnetic-sensor/
how to make a reed switch - More DIY How To Projects]]> https://cdn.instructables.com/FQX/D2LY/GS5TYK24/FQXD2LYGS5TYK24.SQUARE2.jpg https://cdn.instructables.com/FQX/D2LY/GS5TYK24/FQXD2LYGS5TYK24.SQUARE.jpg https://cdn.instructables.com/FQX/D2LY/GS5TYK24/FQXD2LYGS5TYK24.SMALL.jpg Mahmoud Alaa how to make a sample magnetic sensor on the cheap materials : 1 match box 2 paper clib 2 wires 1 piece of foil tabe a small circuit for test  make the case and now we will make the case out of the match box add the aluminum foil to the case and now we will add the aluminum foil to the ...
By: Mahmoud Alaa

Continue Reading »]]>
Sun, 4 Sep 2011 09:40:15 PDT
Modifying 120deg viewing angle infrared rear view camera http://www.instructables.com/id/Modifying-120deg-viewing-angle-infrared-rear-view-/
Modifying 120deg viewing angle infrared rear view camera - More DIY How To Projects]]> https://cdn.instructables.com/F32/9F9Y/GVJCIZOF/F329F9YGVJCIZOF.SQUARE2.jpg https://cdn.instructables.com/F32/9F9Y/GVJCIZOF/F329F9YGVJCIZOF.SQUARE.jpg https://cdn.instructables.com/F32/9F9Y/GVJCIZOF/F329F9YGVJCIZOF.SMALL.jpg bbarenz These cameras can be purchased from ebay for a little as $15.  They are great for security cameras as they have a wide viewing angle and clear image however out of the box the camera comes with a trapezoidal grid superimposed on the video signal and the video image mirrored. These instructions will ...
By: bbarenz

Continue Reading »]]>
Tue, 29 Nov 2011 06:47:12 PST
How to interface with Optical Dust Sensor http://www.instructables.com/id/How-to-Interface-With-Optical-Dust-Sensor/
How to interface with Optical Dust Sensor - More DIY How To Projects]]> https://cdn.instructables.com/FV2/5I7N/IQHIUSA8/FV25I7NIQHIUSA8.SQUARE2.jpg https://cdn.instructables.com/FV2/5I7N/IQHIUSA8/FV25I7NIQHIUSA8.SQUARE.jpg https://cdn.instructables.com/FV2/5I7N/IQHIUSA8/FV25I7NIQHIUSA8.SMALL.jpg mybotic This tutorial is going to teach you basics on using Optical Dust Sensor. Introduction Description:Sharp's GP2Y1010AU0F is an optical air quality sensor, or may also known as optical dust sensor, is designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally ...
By: mybotic

Continue Reading »]]>
Mon, 11 Jul 2016 02:47:30 PDT
PIR Alarm Arduino Motion Sensor (with Encasing) http://www.instructables.com/id/PIR-Alarm-Arduino-Motion-Sensor-with-Encasing/
PIR Alarm Arduino Motion Sensor (with Encasing) - More DIY How To Projects]]> https://cdn.instructables.com/FVX/Z8BG/H1KHACIJ/FVXZ8BGH1KHACIJ.SQUARE2.jpg https://cdn.instructables.com/FVX/Z8BG/H1KHACIJ/FVXZ8BGH1KHACIJ.SQUARE.jpg https://cdn.instructables.com/FVX/Z8BG/H1KHACIJ/FVXZ8BGH1KHACIJ.SMALL.jpg chuck4747 This is a guide on how to make a motion detector with an arduino! Enjoy! Items Needed Arduino Uno microcontroller Breadboard, Mini PIR sensor, SE-10 Jumper wires Piezo Buzzer LED, any size or type Plywood(optional) Wire the Arduino to the breadboard Connect Digital 2 (on the Arduino), 5V, and ...
By: chuck4747

Continue Reading »]]>
Wed, 2 May 2012 18:40:06 PDT
bfo metal detector http://www.instructables.com/id/bfo-metal-detector/
bfo metal detector - More DIY How To Projects]]> https://cdn.instructables.com/FEW/0BW9/XS7EP27XMGM/FEW0BW9XS7EP27XMGM.SQUARE2.jpg https://cdn.instructables.com/FEW/0BW9/XS7EP27XMGM/FEW0BW9XS7EP27XMGM.SQUARE.jpg https://cdn.instructables.com/FEW/0BW9/XS7EP27XMGM/FEW0BW9XS7EP27XMGM.SMALL.jpg jurgis Simple BFO metal detector BFO ( beat frequency oscillator ) metal detectors use two oscillators, each of which produces a radio frequency. One of these oscillators uses a coil of wire that we call the search loop. The second oscillator uses a much smaller coil of wire, and is usually inside the c...
By: jurgis

Continue Reading »]]>
Wed, 26 Apr 2006 13:54:26 PDT
Intel Edison Sensor Dashboard Using Freeboard/Python/Flask (minimal programming necessary) http://www.instructables.com/id/Intel-Edison-Sensor-Dashboard-Using-FreeboardPytho/
Intel Edison Sensor Dashboard Using Freeboard/Python/Flask (minimal programming necessary) - More DIY How To Projects]]> https://cdn.instructables.com/FCV/4Z20/IE223RYD/FCV4Z20IE223RYD.SQUARE2.jpg https://cdn.instructables.com/FCV/4Z20/IE223RYD/FCV4Z20IE223RYD.SQUARE.jpg https://cdn.instructables.com/FCV/4Z20/IE223RYD/FCV4Z20IE223RYD.SMALL.jpg JustinN1 First I wanted to say thank you for the opportunity to work with an Edison and for being given one by Intel/Instructables for the purpose of entering their IoT contest. I think this is a great way to do community building and encourage developers to get involved and on board. It should also get yo...
By: JustinN1

Continue Reading »]]>
Tue, 1 Sep 2015 21:23:06 PDT
Simple Manual Magnetometer Calibration http://www.instructables.com/id/Simple-Manual-Magnetometer-Calibration/
Simple Manual Magnetometer Calibration - More DIY How To Projects]]> https://cdn.instructables.com/FZJ/HI5E/IEX4QPFR/FZJHI5EIEX4QPFR.SQUARE2.jpg https://cdn.instructables.com/FZJ/HI5E/IEX4QPFR/FZJHI5EIEX4QPFR.SQUARE.jpg https://cdn.instructables.com/FZJ/HI5E/IEX4QPFR/FZJHI5EIEX4QPFR.SMALL.jpg p_leriche There are several types of cheap magnetometer now available, which you can use to sense a compass direction, but all of them (as far as I know) need calibration before you can get sensible results. In this Instructable, I'll demonstrate a simple manual method using both the XLoBorg from Piborg, and ...
By: p_leriche

Continue Reading »]]>
Thu, 24 Sep 2015 07:31:22 PDT
Arduino GPRS Weather Station - Part 1 http://www.instructables.com/id/Arduino-GPRS-Weather-Station-Part-1/
Arduino GPRS Weather Station - Part 1 - More DIY How To Projects]]> https://cdn.instructables.com/FGB/8BT9/INM7J3J6/FGB8BT9INM7J3J6.SQUARE2.jpg https://cdn.instructables.com/FGB/8BT9/INM7J3J6/FGB8BT9INM7J3J6.SQUARE.jpg https://cdn.instructables.com/FGB/8BT9/INM7J3J6/FGB8BT9INM7J3J6.SMALL.jpg Tecwyn Twmffat With the threat of increasingly erratic weather patterns circulating the skies of our planet, day after day of unceasing rain, floods, droughts, hail storms and who knows what else, a weather station seems to be a useful and necessary household accessory.Global warming may be upon us, but that is no...
By: Tecwyn Twmffat

Continue Reading »]]>
Sat, 30 Apr 2016 04:36:40 PDT
Temperature sensor / weatherstation http://www.instructables.com/id/Temperature-sensor--weatherstation/
Temperature sensor / weatherstation - More DIY How To Projects]]> https://cdn.instructables.com/FYX/Y1W7/F9053ZOT/FYXY1W7F9053ZOT.SQUARE2.jpg https://cdn.instructables.com/FYX/Y1W7/F9053ZOT/FYXY1W7F9053ZOT.SQUARE.jpg https://cdn.instructables.com/FYX/Y1W7/F9053ZOT/FYXY1W7F9053ZOT.SMALL.jpg chr Create a weatherstation or temperature monitor using the very cool digital temperature sensor DS1820.I use this setup to monitor a server room, and as a weatherstation.This project consists of:A Dallas 1-Wire bus networkInterface between RS-232 and the Dallas 1-Wire systemDigital temperature sensors...
By: chr

Continue Reading »]]>
Fri, 21 Sep 2007 15:13:15 PDT
Laser cut enclosure with living hinge lid http://www.instructables.com/id/Laser-cut-enclosure-with-living-hinge-lid/
Laser cut enclosure with living hinge lid - More DIY How To Projects]]> https://cdn.instructables.com/FRS/ULAJ/H2A76P69/FRSULAJH2A76P69.SQUARE2.jpg https://cdn.instructables.com/FRS/ULAJ/H2A76P69/FRSULAJH2A76P69.SQUARE.jpg https://cdn.instructables.com/FRS/ULAJ/H2A76P69/FRSULAJH2A76P69.SMALL.jpg fasaxc This instructable shows how I made a laser cut box with a curved lid to house a wireless sensor node.  I made it at Techshop SF.  The node measures temperature and relays its measurements to a central logger so that I can plot graphs from the data.  The box needs a port for the antenna, good air flo...
By: fasaxc

Continue Reading »]]>
Mon, 30 Apr 2012 22:15:40 PDT
DS18B2O - Temperature probe with RJ45 connector http://www.instructables.com/id/DS18B2O-Temperature-probe-with-RJ45-connector/
DS18B2O - Temperature probe with RJ45 connector - More DIY How To Projects]]> https://cdn.instructables.com/F3C/1X2H/GO6V9XIX/F3C1X2HGO6V9XIX.SQUARE2.jpg https://cdn.instructables.com/F3C/1X2H/GO6V9XIX/F3C1X2HGO6V9XIX.SQUARE.jpg https://cdn.instructables.com/F3C/1X2H/GO6V9XIX/F3C1X2HGO6V9XIX.SMALL.jpg rik This Instructable uses the work done by Jonathan Oxer and Hugh Blemings in the book  "Practical Arduino"  at:   http://www.practicalarduino.com/   and builds upon the work done by: http://www.cheapvegetablegardener.com/   using the homemade-waterproof digital thermometer design concept:   http://w...
By: rik

Continue Reading »]]>
Tue, 31 May 2011 22:34:58 PDT
IoT Pill Bottle http://www.instructables.com/id/IoT-Pill-Bottle/
IoT Pill Bottle - More DIY How To Projects]]> https://cdn.instructables.com/FLI/R23R/INPE5NCC/FLIR23RINPE5NCC.SQUARE2.jpg https://cdn.instructables.com/FLI/R23R/INPE5NCC/FLIR23RINPE5NCC.SQUARE.jpg https://cdn.instructables.com/FLI/R23R/INPE5NCC/FLIR23RINPE5NCC.SMALL.jpg 陳亮 This Instructables show how to build a IoT pill bottle prototype.This is my colleague, Roy's idea, I just help him PoC.This IoT bottle use 2 type of sensors for helping doctor and patient:A cap button for detect pill bottle opened, it help to monitor the time pattern of patient take the pillAn IR se...
By: 陳亮

Continue Reading »]]>
Mon, 2 May 2016 06:31:41 PDT
BME280 Weather Station With ESP8266 SDK http://www.instructables.com/id/BME280-Weather-Station-With-ESP8266-SDK/
BME280 Weather Station With ESP8266 SDK - More DIY How To Projects]]> https://cdn.instructables.com/FH0/QX0I/IO34ES2R/FH0QX0IIO34ES2R.SQUARE2.jpg https://cdn.instructables.com/FH0/QX0I/IO34ES2R/FH0QX0IIO34ES2R.SQUARE.jpg https://cdn.instructables.com/FH0/QX0I/IO34ES2R/FH0QX0IIO34ES2R.SMALL.jpg cosminp12 The purpose of this project was to share my own C implementation of a BME280 driver and provide a demo application for it, using ESP8266 with the official Espressif SDK.The sensor is connected directly to the ESP8266 without any other MCU in between, via I2C. Data is then sent to a ThingSpeak accoun...
By: cosminp12

Continue Reading »]]>
Thu, 12 May 2016 09:40:20 PDT
Controlling the Position of an Actuator with an Analog Sensor http://www.instructables.com/id/Controlling-the-Position-of-an-Actuator-with-an-An/
Controlling the Position of an Actuator with an Analog Sensor - More DIY How To Projects]]> https://cdn.instructables.com/F3L/HEJU/IEMNH4W2/F3LHEJUIEMNH4W2.SQUARE2.jpg https://cdn.instructables.com/F3L/HEJU/IEMNH4W2/F3LHEJUIEMNH4W2.SQUARE.jpg https://cdn.instructables.com/F3L/HEJU/IEMNH4W2/F3LHEJUIEMNH4W2.SMALL.jpg Progressive Automations In this Instructable, we will learn how to use an analog sensor to control the position of an actuator. In this example, we'll be using a potentiometer, but you can use any analog sensor. You could use a light sensor to move an actuator based on the position of the sun.We'll be using the following...
By: Progressive Automations

Continue Reading »]]>
Wed, 16 Sep 2015 09:56:04 PDT
Atlas Scientific and Raspberry Pi http://www.instructables.com/id/Atlas-Scientific-and-Raspberry-Pi/
Atlas Scientific and Raspberry Pi - More DIY How To Projects]]> https://cdn.instructables.com/FKW/S6OU/I0DOEBQT/FKWS6OUI0DOEBQT.SQUARE2.jpg https://cdn.instructables.com/FKW/S6OU/I0DOEBQT/FKWS6OUI0DOEBQT.SQUARE.jpg https://cdn.instructables.com/FKW/S6OU/I0DOEBQT/FKWS6OUI0DOEBQT.SMALL.jpg AtlasScientific This Instructable will you show you how to interface with Atlas Scientific sensors using a Raspberry Pi. There are 3 main ways to do this: By hooking a keyboard, monitor, and mouse up to the Pi and using it as a stand alone computer. By connecting the Pi to your local router with an ethern...
By: AtlasScientific

Continue Reading »]]>
Mon, 22 Sep 2014 14:36:19 PDT
How to Build a Portable, Accurate, Low Cost, Open Source Air Particle Counter http://www.instructables.com/id/How-to-Build-a-Portable-Accurate-Low-Cost-Open-Sou/
How to Build a Portable, Accurate, Low Cost, Open Source Air Particle Counter - More DIY How To Projects]]> https://cdn.instructables.com/F08/9FWD/IV0BC29D/F089FWDIV0BC29D.SQUARE2.jpg https://cdn.instructables.com/F08/9FWD/IV0BC29D/F089FWDIV0BC29D.SQUARE.jpg https://cdn.instructables.com/F08/9FWD/IV0BC29D/F089FWDIV0BC29D.SMALL.jpg rawrdong This is the first Instructable in the series: How to Make, Calibrate, and Test a Portable, Accurate, Low Cost, Open Source Air Particle Counter. The second installment, How to Build a Test Chamber for Air Particle Sensors, can be found here. The third installment, How to Build a Monodisperse Particl...
By: rawrdong

Continue Reading »]]>
Mon, 7 Nov 2016 16:45:43 PST
Wearable heart beat sensor ESP8266+Pulse sensor http://www.instructables.com/id/Wearable-heart-beat-sensor-ESP8266Pulse-sensor/
Wearable heart beat sensor ESP8266+Pulse sensor - More DIY How To Projects]]> https://cdn.instructables.com/FL2/A6RF/I9L6IMAW/FL2A6RFI9L6IMAW.SQUARE2.jpg https://cdn.instructables.com/FL2/A6RF/I9L6IMAW/FL2A6RFI9L6IMAW.SQUARE.jpg https://cdn.instructables.com/FL2/A6RF/I9L6IMAW/FL2A6RFI9L6IMAW.SMALL.jpg yakirmalka As part of a desire to learn about ESP8266 as standaloneI thought about a project to connect pulse sensor and transmit the BPM to the computer by TCP connection.During the construction i came across some problems.The problems by my opinion, will help some of you to build your next project. Compone...
By: yakirmalka

Continue Reading »]]>
Tue, 12 May 2015 07:23:05 PDT
Stickytape Sensors http://www.instructables.com/id/Stickytape-Sensors/
Stickytape Sensors - More DIY How To Projects]]> https://cdn.instructables.com/FLB/GHWO/FTVVI29Y/FLBGHWOFTVVI29Y.SQUARE2.jpg https://cdn.instructables.com/FLB/GHWO/FTVVI29Y/FLBGHWOFTVVI29Y.SQUARE.jpg https://cdn.instructables.com/FLB/GHWO/FTVVI29Y/FLBGHWOFTVVI29Y.SMALL.jpg Plusea Simple Pressure and Bend Sensors made from stickytape, Velostat, conductive thread and small pieces of conductive fabric. Basically you just have to get the conductive surface and Velostat ratio right. I find the following methods work best. As little conductive thread as necessary to cover the sen...
By: Plusea

Continue Reading »]]>
Thu, 23 Apr 2009 11:01:47 PDT
Simple Touch Switch 3904 NPN http://www.instructables.com/id/Simple-Touch-Switch-3904-NPN/
Simple Touch Switch 3904 NPN - More DIY How To Projects]]> https://cdn.instructables.com/F09/XLBD/HYZ9CKUO/F09XLBDHYZ9CKUO.SQUARE2.jpg https://cdn.instructables.com/F09/XLBD/HYZ9CKUO/F09XLBDHYZ9CKUO.SQUARE.jpg https://cdn.instructables.com/F09/XLBD/HYZ9CKUO/F09XLBDHYZ9CKUO.SMALL.jpg Bits4Bots Hello :) This project will show you how to make a simple touch switch using a 2N3904 (NPN) transistor.A newbie special 10 minutes project! Parts List: 1 LED1 2N3904 TransistorJumper Wires2 680 Ohm Resistors *or 1K or lessBreadboard or PCB w/solder5V Power Supply Connecting the Transistor Place...
By: Bits4Bots

Continue Reading »]]>
Sun, 17 Aug 2014 23:01:27 PDT
Distance measurement and obstacle detection using NXP 89v51rd2fn and ultrasonic sensor HC-SR04. http://www.instructables.com/id/Distance-measurement-and-obstacle-detection-using--1/
Distance measurement and obstacle detection using NXP 89v51rd2fn and ultrasonic sensor HC-SR04. - More DIY How To Projects]]> https://cdn.instructables.com/F3O/47T4/HV9I48KR/F3O47T4HV9I48KR.SQUARE2.jpg https://cdn.instructables.com/F3O/47T4/HV9I48KR/F3O47T4HV9I48KR.SQUARE.jpg https://cdn.instructables.com/F3O/47T4/HV9I48KR/F3O47T4HV9I48KR.SMALL.jpg saurabh prashar Everyone uses arduino uno or mega to make projects as they are easy to use and the code for arduino is easily available on the arduino forums and no one uses atmel,philips or other microcontroller to make such projects as the coding is somewhat difficult . In this project of mine i have used phi...
By: saurabh prashar

Continue Reading »]]>
Mon, 19 May 2014 21:26:25 PDT
VU Meter http://www.instructables.com/id/VU-Meter/
VU Meter - More DIY How To Projects]]> https://cdn.instructables.com/FFB/GEHF/G8AS45VS/FFBGEHFG8AS45VS.SQUARE2.jpg https://cdn.instructables.com/FFB/GEHF/G8AS45VS/FFBGEHFG8AS45VS.SQUARE.jpg https://cdn.instructables.com/FFB/GEHF/G8AS45VS/FFBGEHFG8AS45VS.SMALL.jpg dmallen This project shows you how to take inputs from a computer, MP3 player, or stereo via a headphone jack and get LEDs to respond and visually display the peaks and troughs of the music. For this project you will need: -One (1) ArduinoMega w/ USB upload cable -Two (2) 10-Segment LED Bar Graphs -O...
By: dmallen

Continue Reading »]]>
Thu, 22 Apr 2010 18:33:33 PDT
DIY Digital Thermometer http://www.instructables.com/id/DIY-Digital-Thermometer/
DIY Digital Thermometer - More DIY How To Projects]]> https://cdn.instructables.com/FT5/PUGW/FVIPVHAM/FT5PUGWFVIPVHAM.SQUARE2.jpg https://cdn.instructables.com/FT5/PUGW/FVIPVHAM/FT5PUGWFVIPVHAM.SQUARE.jpg https://cdn.instructables.com/FT5/PUGW/FVIPVHAM/FT5PUGWFVIPVHAM.SMALL.jpg DemonDomen This instructable will show you how to make a thermometer that displays the temperature of the air.It's not the most accurate thermometer in the world, but for this price and the fact that it was homemade... Parts You will need:1x ATMega82x7 segment display1x1800 ohm resistor7x160ohm resistors1x ...
By: DemonDomen

Continue Reading »]]>
Sun, 7 Jun 2009 03:32:38 PDT
Raspberry Pi Baby Monitor with Splunk http://www.instructables.com/id/Raspberry-Pi-Baby-Monitor-With-Splunk/
Raspberry Pi Baby Monitor with Splunk - More DIY How To Projects]]> https://cdn.instructables.com/FA2/NA1R/IOG1IW9T/FA2NA1RIOG1IW9T.SQUARE2.jpg https://cdn.instructables.com/FA2/NA1R/IOG1IW9T/FA2NA1RIOG1IW9T.SQUARE.jpg https://cdn.instructables.com/FA2/NA1R/IOG1IW9T/FA2NA1RIOG1IW9T.SMALL.jpg Bam Bam Mantell These steps will teach you how to assemble the components required to make a Raspberry Pi baby monitor, and collect that data into Splunk, a log reader and analytical tool, to preset that data in a meaningful way. At the end you will be able to use the Spunk dashboard to monitor sleep patterns, room...
By: Bam Bam Mantell

Continue Reading »]]>
Sat, 21 May 2016 20:22:40 PDT